Podcast
Questions and Answers
True or false: Metabolism is the sum of all the chemical reactions taking place in a cell or organism?
True or false: Metabolism is the sum of all the chemical reactions taking place in a cell or organism?
True
True or false: Glucose is respired by cells to produce ATP to supply their immediate energy needs?
True or false: Glucose is respired by cells to produce ATP to supply their immediate energy needs?
True
True or false: Enzymes are made of long chains of amino acids joined together by peptide bonds?
True or false: Enzymes are made of long chains of amino acids joined together by peptide bonds?
True
True or false: Enzymes are not affected by pH and temperature.
True or false: Enzymes are not affected by pH and temperature.
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True or false: Enzyme activity increases with temperature, up to around 40°C.
True or false: Enzyme activity increases with temperature, up to around 40°C.
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True or false: Denatured enzymes can regain their shape and activity if the temperature drops back down below 40°C.
True or false: Denatured enzymes can regain their shape and activity if the temperature drops back down below 40°C.
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True or false: Bioprocessing is the use of non-living organisms to produce useful substances.
True or false: Bioprocessing is the use of non-living organisms to produce useful substances.
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True or false: Photosynthesis is the conversion of light energy to chemical energy using chlorophyll, C2O and H2O.
True or false: Photosynthesis is the conversion of light energy to chemical energy using chlorophyll, C2O and H2O.
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True or false: Stomata are mostly found on the upper epidermis of the leaf.
True or false: Stomata are mostly found on the upper epidermis of the leaf.
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True or false: The optimum temperature for most plant enzymes is 25oC.
True or false: The optimum temperature for most plant enzymes is 25oC.
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True or false: Water is freely available and is absorbed by plant root hairs.
True or false: Water is freely available and is absorbed by plant root hairs.
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True or false: Oxygen gas is produced during the light-independent stage of photosynthesis?
True or false: Oxygen gas is produced during the light-independent stage of photosynthesis?
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True or false: Anaerobic respiration produces large amounts of energy?
True or false: Anaerobic respiration produces large amounts of energy?
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True or false: Anabolic reactions obtain energy from ATP and release energy in the process?
True or false: Anabolic reactions obtain energy from ATP and release energy in the process?
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True or false: Catabolic reactions convert ADP and P into ATP?
True or false: Catabolic reactions convert ADP and P into ATP?
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True or false: ATP stores energy released in reactions such as photosynthesis or respiration in the form of ADP and inorganic phosphate.
True or false: ATP stores energy released in reactions such as photosynthesis or respiration in the form of ADP and inorganic phosphate.
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True or false: Glycolysis occurs in the mitochondrion and requires oxygen.
True or false: Glycolysis occurs in the mitochondrion and requires oxygen.
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True or false: The Krebs cycle produces 4 ATP for each molecule of glucose broken down.
True or false: The Krebs cycle produces 4 ATP for each molecule of glucose broken down.
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True or false: Anaerobic respiration produces 38 ATP per glucose, compared to 2 ATP in aerobic respiration.
True or false: Anaerobic respiration produces 38 ATP per glucose, compared to 2 ATP in aerobic respiration.
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True or false: Enzyme immobilization allows for the reuse of enzymes and makes it easier to recover them.
True or false: Enzyme immobilization allows for the reuse of enzymes and makes it easier to recover them.
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True or false: The enzyme zymase is used to convert glucose to alcohol.
True or false: The enzyme zymase is used to convert glucose to alcohol.
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True or false: The rate of the catalase reaction increases with higher pH levels.
True or false: The rate of the catalase reaction increases with higher pH levels.
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True or false: Boiling potato discs for five minutes will increase the rate of enzyme activity.
True or false: Boiling potato discs for five minutes will increase the rate of enzyme activity.
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True or false: Fermentation is complete when the solution becomes clear as the yeast settles to the bottom of the flask?
True or false: Fermentation is complete when the solution becomes clear as the yeast settles to the bottom of the flask?
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True or false: Diffusion is an active process that requires energy?
True or false: Diffusion is an active process that requires energy?
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True or false: Osmosis is the movement of water molecules from a region of lower water concentration to a region of higher water concentration?
True or false: Osmosis is the movement of water molecules from a region of lower water concentration to a region of higher water concentration?
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